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A body is moving with variable acceleart...

A body is moving with variable acceleartion (a) along a straight line. The average acceleration of body in time interval `t_(1)" to "t_(2)` is :-

A

`(a[t_(2)+t_(1)])/(2)`

B

`(a[t_(2)-t_(1)])/(2)`

C

`(underset(t_(1))overset(t_(2))int"a dt")/(t_(2)+t_(1))`

D

`(underset(t_(1))overset(t_(2))int"a dt")/(t_(2)-t_(1))`

Text Solution

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The correct Answer is:
D
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